<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Check a binary Unicode property for a code point</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="intlchar.getunicodeversion.html">« IntlChar::getUnicodeVersion</a></li>
      <li style="float: right;"><a href="intlchar.isalnum.html">IntlChar::isalnum »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="class.intlchar.html">IntlChar</a></li>
    <li>Check a binary Unicode property for a code point</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="intlchar.hasbinaryproperty" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">IntlChar::hasBinaryProperty</h1>
  <p class="verinfo">(PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">IntlChar::hasBinaryProperty</span> &mdash; <span class="dc-title">Check a binary Unicode property for a code point</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-intlchar.hasbinaryproperty-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>IntlChar::hasBinaryProperty</strong></span>(<span class="methodparam"><span class="type"><span class="type">int</span>|<span class="type">string</span></span> <code class="parameter">$codepoint</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$property</code></span>): <span class="type"><span class="type">?</span><span class="type">bool</span></span></div>

  <p class="para rdfs-comment">
   Checks a binary Unicode property for a code point.
  </p>
  <p class="para">
   Unicode, especially in version 3.2, defines many more properties than the original set in UnicodeData.txt.
  </p>
  <p class="para">
   The properties APIs are intended to reflect Unicode properties as defined in the Unicode Character Database (UCD)
   and Unicode Technical Reports (UTR). For details about the properties see
   <a href="http://www.unicode.org/ucd/" class="link external">&raquo;&nbsp;http://www.unicode.org/ucd/</a>.
   For names of Unicode properties see the UCD file PropertyAliases.txt.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-intlchar.hasbinaryproperty-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt>
<code class="parameter">codepoint</code></dt>

    <dd>

     <p class="para">The <span class="type">int</span> codepoint value (e.g. <code class="literal">0x2603</code> for <em class="emphasis">U+2603 SNOWMAN</em>), or the character encoded as a UTF-8 <span class="type">string</span> (e.g. <code class="literal">&quot;\u{2603}&quot;</code>)</p>
    </dd>

   
   
    <dt>
<code class="parameter">property</code></dt>

    <dd>

     <p class="para">The Unicode property to lookup (see the <code class="literal">IntlChar::PROPERTY_*</code> constants).</p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-intlchar.hasbinaryproperty-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>true</code></strong> or <strong><code>false</code></strong> according to the binary Unicode property value for <code class="parameter">codepoint</code>.
   Also <strong><code>false</code></strong> if <code class="parameter">property</code> is out of bounds or if the Unicode version does not have data for
   the property at all, or not for this code point. Returns <strong><code>null</code></strong> on failure.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-intlchar.hasbinaryproperty-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-2514">
   <p><strong>示例 #1 Testing different properties</strong></p>
   <div class="example-contents">
    <div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_ALPHABETIC</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_CASE_SENSITIVE</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_BIDI_MIRRORED</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"["</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_ALPHABETIC</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"["</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_CASE_SENSITIVE</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">hasBinaryProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">"["</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">PROPERTY_BIDI_MIRRORED</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

   <div class="example-contents"><p>以上例程会输出：</p></div>
   <div class="example-contents screen">
    <div class="cdata"><pre>
bool(true)
bool(true)
bool(false)
bool(false)
bool(false)
bool(true)
</pre></div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-intlchar.hasbinaryproperty-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="intlchar.getintpropertyvalue.html" class="function" rel="rdfs-seeAlso">IntlChar::getIntPropertyValue()</a> - Get the value for a Unicode property for a code point</span></li>
    <li class="member"><span class="function"><a href="intlchar.getunicodeversion.html" class="function" rel="rdfs-seeAlso">IntlChar::getUnicodeVersion()</a> - Get the Unicode version</span></li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>